ŞAHİN, Çiğdem; ÇEPNİ, Salih. Development of a Two Tiered Test for Determining Differentiation in Conceptual Structure related to “Floating- Sinking, Buoyancy and Pressure” Concepts. Journal of Turkish Science Education, [S. l.], v. 8, n. 1, p. 79–110, 2011. Disponível em: https://tused.org/index.php/tused/article/view/548.. Acesso em: 3 jul. 2024.